here is a nested test
\begin{one@env}
	to be nested to be nested
	to be nested to be nested
	to be nested to be nested \begin{two*}
		nested text nested tex nested tex
		nested text nested tex nested tex
		nested text nested tex nested tex
		nested text nested tex nested tex \begin{th@@ree_underscore}
			triple nesting
			triple nesting
			triple nesting
			triple nesting
			triple nesting
			triple nesting \end{th@@ree_underscore} \end{two*} \end{one@env}
here is some text after the environments
